I asked for a withdrawal, but I was told that funds had been transferred to banks in Japan on suspicion of money laundering, so I could not withdraw

He tried to withdraw the account balance, but was suspected of money laundering, and under the direction of Japanese Financial Services Agency, he transferred funds to the Bank of Japan, and was notified that the withdrawal would not be possible unless 80% of the account balance was deposited. The Financial Services Agency said that such a case would not be possible.